หนังสืออ่านเพิ่ม

• Kovalevsky, Jean (2004). Fundamentals of Astrometry. Cambridge University Press. ISBN 0-521-64216-7. Unknown parameter |coauthor= ignored (|author= suggested) (help)
• Walter, Hans G. (2000). Astrometry of fundamental catalogues: the evolution from optical to radio reference frames. New York: Springer. ISBN 3540674365.
• Kovalevsky, Jean (1995). Modern Astrometry. Berlin; New York: Springer. ISBN 354042380X.